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Japan Weekly Snow Roundup #309
Weekly Snow News for Japan, updated 9 April 2026: Japan sees spring mix with 410cm (164") base at Kurodake, while warm conditions dominate Honshu resorts.
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Osa at 700 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 09 Apr 2026
Osa Weather
(Next 3 days):
Osa Weather (Days 4-6):
Moderate rain (total 11.0mm), heaviest on Tue night. Very mild (max 14°C on Mon morning, min 10°C on Sun night). Wind will be generally light.Osa Weather (Days 7-16):
Now
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  | |  | | | | | |  | |
heavy rain | light rain | clear | some clouds | clear | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light rain | mod. rain | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
18 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | |
max °C | 15 | 16 | 17 | 12 | 14 | 12 | 9 | 18 | 17 | 12 | 14 | 13 | 11 | 13 | 12 | 11 |
min °C | 12 | 15 | 14 | 8 | 10 | 10 | 9 | 15 | 13 | 10 | 13 | 12 | 11 | 12 | 11 | 10 |
8 | 12 | 11 | 4 | 6 | 7 | 6 | 15 | 12 | 9 | 12 | 10 | 9 | 10 | 10 | 9 | |
91 | 98 | 64 | 95 | 56 | 50 | 43 | 22 | 35 | 39 | 49 | 58 | 63 | 52 | 66 | 96 | |
4100 | 3800 | 3800 | 3550 | 3350 | 3400 | 3500 | 3350 | 3400 | 3150 | 2850 | 3100 | 3050 | 3350 | 3550 | 3450 | |
 | — | 5:47 | — | — | 5:45 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — |
 | — | — | 6:37 | — | — | 6:38 | — | — | 6:39 | — | — | 6:40 | — | — | 6:40 | — |
Next 0-3 days weather summary:
Heavy rain (total 23.0mm), heaviest during Thu night. Very mild (max 18°C on Sun morning, min 8°C on Fri night). Winds decreasing (near gales from the S on Thu night, calm by Sun morning).
Next 4-6 days weather summary:
Moderate rain (total 11.0mm), heaviest on Tue night. Very mild (max 14°C on Mon morning, min 10°C on Sun night). Wind will be generally light.
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Latest snow reports near Osa:
Osa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Mar 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
Snow History
Week 2 of April has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Osa at the specific elevation of 700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Osa. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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